mineral
Quartz pebble
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, vitreous luster, colorless to white with dark inclusions, trigonal crystal system, conchoidal fracture.
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Physical properties
Mohs hardness of 7, vitreous luster, colorless to white with dark inclusions, trigonal crystal system, conchoidal fracture.
Formation & geological history
Formed via hydrothermal veins or crystallization in igneous rocks, subsequently weathered and rounded by water transport.
Uses & applications
Used in landscaping, decorative items, glassmaking, and abrasives.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and smooth water-worn shape in stream beds.
